세로 · 세트 87

20 problems
1
3 + 2 =
2
5 + 10 =
3
4 + 1 =
4
8 + 1 =
5
6 + 3 =
6
10 + 6 =
7
4 + 5 =
8
7 + 10 =
9
3 + 3 =
10
10 + 3 =
11
2 + 10 =
12
5 + 10 =
13
1 + 3 =
14
5 + 3 =
15
2 + 4 =
16
6 + 1 =
17
1 + 5 =
18
1 + 1 =
19
10 + 10 =
20
1 + 6 =
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